MasterProtect FL 746 and FL 748: Acrylic patching compounds

Formerly: Sonocoat Patching Compounds 746 and 748

How do MasterProtect FL 746 and FL 748 work?

MasterProtect FL 746 and FL 748 are 100% acrylic-emulsion repair materials for stucco, brick, and concrete prior to application of MasterProtect acrylic wall coatings.

Recommended uses:

  • Interior and exterior
  • Vertical surfaces
  • Fills voids in substrates
  • Provide smooth surface for coating application

What are the unique features of MasterProtect FL 746 and FL 748?

  • Fungus and mildew resistant for damp, humid climates
  • Smooth and textured finishes meet varied design applications

What are the benefits of MasterProtect FL 746 and FL 748?

  • Long-lasting flexibility provides durable crack-bridging
  • 100% acrylic resin for superior adhesion to concrete, masonry and other surfaces

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

Certification Letter - 746

Certification Letter - 748

LEED Letter

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

MasterProtect FL 746

MasterProtect FL 748

Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

Certification Letter

pdf (76.46 Kb)

Certification Letter

pdf (84.50 Kb)

Data Guide

pdf (263.54 Kb)

LEED Letter

pdf (107.02 Kb)

Wall Coatings Selector Guide

pdf (529.62 Kb)